Cigar Plant vs Cornflower Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Cigar Plant

Cigar Plant

Cuphea ignea

VS
Cornflower

Cornflower

Centaurea cyanus

Cigar Plant

Cigar Plant

Cuphea ignea

Cuphea ignea, commonly known as the Cigar Plant, is a small, evergreen shrub prized for its vibrant, tubular flowers that resemble lit cigars. Native to Mexico and Jamaica, it typically grows to a height of 1-2 feet. The plant features lance-shaped, glossy green leaves and produces numerous bright red-orange flowers with a white and black 'ash' tip. It is primarily grown outdoors in warm climates as a border plant, in containers, or as part of mixed beds. While it can be brought indoors, it requires very bright light to thrive and flower properly, making it challenging to maintain its vigor indoors.

Lythraceae Mexico, Jamaica
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Cigar Plant Guide
Cornflower

Cornflower

Centaurea cyanus

Cornflower (Centaurea cyanus) is an annual plant typically grown outdoors for its vibrant blue flowers, though pink, white, and purple varieties exist. It reaches a height of 1 to 3 feet. Its slender, grey-green leaves provide a backdrop for the showy, thistle-like flower heads. While it can be grown indoors, it requires very bright light and is challenging to maintain as a healthy, flowering plant indoors due to its need for full sun and cool temperatures. It is often grown in cottage gardens and wildflower meadows.

Asteraceae Europe, though its exact origin is debated as it has naturalized widely.
✨ Features: Attracts pollinators, edible flowers (though may cause allergic reactions in some individuals), used in herbal teas.
📖 Read Complete Cornflower Guide

Quick Plant Comparison

Feature Cigar Plant Cornflower
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun (at least 6 hours of direct sunlight per day)
Watering Every 3-7 days outdoors, depending on weather; less frequently indoors (every 7-10 days). Outdoors: Every 1-2 weeks, depending on rainfall. Indoors: Every 7-10 days, allowing the soil to dry slightly between waterings.
Humidity 40-60% 30-50%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors. Indoors: 0.3-0.6 meters (1-2 feet). Outdoors: 0.3-0.9 meters (1-3 feet)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining potting mix. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining soil, such as a sandy loam. Prefers slightly alkaline soil.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly 5-10 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

Cigar Plant

Scientific Name Cuphea ignea
Family Lythraceae
Native To Mexico, Jamaica
Also Known As Cigar Plant, Firecracker Plant, Cigar Flower
Leaves The leaves are lance-shaped, glossy green, and typically 2-4 inches long. They are arranged oppositely along the stems and have a smooth texture.
Flowers The Cigar Plant flowers readily outdoors in warm climates. Indoors, flowering is less frequent and requires very bright light. The flowers are tubular, bright red-orange with a white and black tip, and are about 1-2 inches long.

Cornflower

Scientific Name Centaurea cyanus
Family Asteraceae
Native To Europe, though its exact origin is debated as it has naturalized widely.
Also Known As Cornflower, Bachelor's Button, Bluebottle, Hurtsickle
Leaves The leaves are slender, lance-shaped, and grey-green in color. They are typically 2-4 inches long and have a slightly hairy texture.
Flowers Cornflowers produce showy, thistle-like flower heads that are typically blue, but can also be pink, white, or purple. They bloom from late spring to early summer. Flowering indoors is rare without supplemental lighting.

📏 Size & Growth — Plant Comparison

Cigar Plant

Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors.
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern The Cigar Plant grows as a small, bushy shrub. It has an upright growth habit and can become somewhat sprawling if not pruned regularly. It does not spread aggressively.

Cornflower

Height Indoors: 0.3-0.6 meters (1-2 feet). Outdoors: 0.3-0.9 meters (1-3 feet)
Spread Indoors: 0.2-0.3 meters (0.6-1 foot). Outdoors: 0.2-0.45 meters (0.6-1.5 feet)
Growth Rate Fast
Growth Pattern Cornflowers have an upright growth habit, typically reaching 1 to 3 feet tall. They are annuals, meaning they complete their life cycle in one growing season.

🌱 Propagation — Comparing Plant Growth

Cigar Plant

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cutting warm and humid until roots develop. Seeds can be sown in spring.

Cornflower

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in early spring or fall. Indoors, start seeds 6-8 weeks before the last frost. Provide light and consistent moisture for germination.

✨ Benefits & Features — Comparing Plant Value

Cigar Plant

The Cigar Plant is known for its unique tubular flowers that resemble lit cigars, with a red-orange body and a white and black 'ash' tip. This distinctive appearance makes it a popular choice for attracting hummingbirds and adding visual interest to gardens.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Relatively low-maintenance outdoors.
  • ✓ Can be grown in containers.
  • ✓ Provides visual interest with its unique flower shape.
  • 🐾 Pet Safe

Cornflower

The intense blue color of the flowers is relatively rare in the plant kingdom. They are also known for attracting beneficial insects to the garden. The flowers are edible and have a slightly sweet, clove-like flavor.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Edible flowers can be used in salads and teas (with caution).
  • ✓ Relatively low-maintenance once established.
  • ✓ Can be used as a cut flower.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Cigar Plant

Repotting Repot in spring if the plant becomes root-bound. Choose a pot that is slightly larger than the previous one.
Pruning Prune regularly to maintain shape and encourage bushier growth. Remove spent flowers to promote continued blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength. Apply every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. If grown outdoors in cooler climates, provide protection from frost or bring indoors. In summer, provide ample water and fertilizer to support flowering.

Cornflower

Repotting Not applicable as it's typically grown as an annual. If grown indoors, repot only if rootbound, using a slightly larger pot.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Pinch back stems to promote bushier growth.
Fertilizing A balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care Spring: Sow seeds. Summer: Deadhead spent flowers to encourage more blooms. Fall: Collect seeds for next year. Winter: Annual, so plant dies back.

🌞 Light Requirements

Cigar Plant

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

Cornflower

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

Cigar Plant

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves and dry soil. Overwatering symptoms are yellowing leaves and soggy soil.

Cornflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Indoors, ensure good drainage. Outdoors, established plants are somewhat drought-tolerant.

🌡️ Temperature & Humidity

Cigar Plant

Temperature: 18-27°C

Humidity: 40-60%

Cornflower

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Cigar Plant

Cigar Plant

Cuphea ignea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in warm climates looking for a low-maintenance, flowering shrub for borders or containers.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You live in a warm climate where it can thrive outdoors year-round.
  • You enjoy vibrant, uniquely shaped flowers.
  • You are looking for a relatively low-maintenance shrub for borders or containers.
  • You have a very sunny location indoors and are willing to supplement with grow lights.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You live in a cold climate with harsh winters.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or container; indoors in a south-facing window with supplemental lighting.
🎨 Style: Tropical, Cottage, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Cuphea species are not listed as toxic to dogs, cats, or horses.
Cornflower

Cornflower

Centaurea cyanus
Care: Expert Time: 5-10 minutes weekly (deadheading, watering) Beginner: With-caution

Gardeners who want a low-maintenance, colorful addition to their flower beds or wildflower meadows.

✅ Choose This Plant If...

  • You want a vibrant blue flower in your garden.
  • You want to attract pollinators to your yard.
  • You want an easy-to-grow annual flower.
  • You want to add edible flowers to salads (with caution due to potential allergic reactions).
  • You want to create a cottage garden or wildflower meadow.

❌ Skip This Plant If...

  • You don't have a sunny location.
  • You have pets that might ingest the plant.
  • You want a low-maintenance indoor plant.
📍 Ideal Location: Outdoors: Sunny garden bed or wildflower meadow. Indoors: South-facing window with supplemental lighting.
🎨 Style: Cottagecore, Bohemian, Traditional, Wildflower
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Centaurea species contain sesquiterpene lactones which can cause gastrointestinal upset if ingested by dogs, cats, or horses. Symptoms include vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Cigar Plant ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Cigar Plant has moderate growth, while Cornflower grows fast.

💡 Pro Tips For Comparing These Plants

Cigar Plant Care Tips

Cigar Plant is relatively easy to care for outdoors in warm climates. Indoors, it requires very bright light, which is often a challenge. Regular pruning and fertilization are necessary to maintain its shape and encourage flowering. It is not naturally an indoor plant and needs specific conditions to thrive.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering and fertilization in winter. If grown outdoors in cooler climates, provide protection from frost or bring indoors. Maintain temperatures above 10°C.
☀️ Summer: Provide ample water and fertilizer during the summer growing season to support flowering. Protect from intense afternoon sun in very hot climates to prevent leaf scorch.

Cornflower Care Tips

Cornflowers are easy to grow outdoors in full sun and well-draining soil. Indoor cultivation is challenging due to the plant's high light requirements and need for cool temperatures. Supplemental lighting is almost essential for indoor flowering.

  • Provide full sun for optimal flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Avoid overwatering to prevent root rot.
  • If growing indoors, supplement with grow lights.
  • Sow seeds directly in the garden for best results.
❄️ Winter: Cornflowers are annuals, so they will die back in the winter. Collect seeds for planting the following spring.
☀️ Summer: Deadhead spent flowers regularly to encourage continued blooming. Water during dry spells. Provide support if the plants become leggy.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cigar Plant

Common Issues: Aphids, spider mites, powdery mildew, lack of flowering indoors.
Solutions: Treat aphids and spider mites with insecticidal soap or neem oil. Improve air circulation to prevent powdery mildew and treat with fungicide if necessary. Provide brighter light and regular fertilization to encourage flowering.

Cornflower

Common Issues: Powdery mildew, aphids, root rot, leggy growth (indoors)
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Leggy growth: Provide more light and pinch back stems.

❓ Frequently Asked Questions — Comparing These Plants

Cigar Plant

What are the light requirements for Cigar Plant?

Cigar Plants need bright, indirect light to thrive and produce abundant blooms. Insufficient light can result in leggy growth, fewer flowers, and pale leaves. An east-facing window is ideal, providing gentle morning sunlight. West-facing windows can also work, but be careful to shield the plant from intense afternoon sun, which can scorch the leaves. A south-facing window may be suitable if you can filter the light with a sheer curtain. If you don’t have access to adequate natural light, you can supplement with a grow light. Place the plant under a grow light for 12-14 hours per day. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant closely for signs of light stress, such as sunburn or lack of blooming, and adjust its location accordingly.

How do I care for Cigar Plant?

Cigar Plants thrive in bright, indirect light; direct sunlight can scorch their leaves. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, as this can lead to root rot. Ensure the pot has good drainage. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength, to encourage blooming. Prune regularly to maintain shape and promote bushier growth. Remove spent flowers to encourage more blooms. Maintain a consistent temperature between 60-80°F (15-27°C). Cigar Plants prefer moderate to high humidity. Repot in spring if the plant becomes root-bound. Provide support if the plant becomes too leggy. Inspect regularly for pests such as aphids or spider mites, and treat promptly if necessary. Avoid placing near drafts or heating vents. Consider using a well-draining potting mix specifically formulated for flowering plants.

How do I propagate Cigar Plant?

Cigar Plants are easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a pot filled with well-draining potting mix. Keep the soil moist but not soggy. Cover the pot with a plastic bag or humidity dome to increase humidity. Place the pot in a warm, bright location, but out of direct sunlight. Roots should develop in 2-4 weeks. Once the cutting has rooted, remove the plastic bag and gradually acclimate it to normal growing conditions. You can also propagate through division by carefully separating the root ball of a mature plant and repotting the divisions. Keiki propagation is not applicable to Cigar Plant.

Cornflower

What are the light requirements for Cornflower?

Cornflowers require at least six hours of direct sunlight per day to thrive and produce abundant blooms. When grown indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is insufficient, supplement with grow lights. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing cornflowers in areas with heavy shade, as this will hinder their growth and flowering potential. Strong, direct morning sunlight is ideal, followed by slightly filtered light in the afternoon.

How do I care for Cornflower?

Cornflowers thrive in full sun and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize monthly with a balanced fertilizer during the growing season to promote abundant blooms. Deadhead spent flowers to encourage continuous blooming. Cornflowers are relatively low-maintenance and can tolerate a range of conditions, but they prefer cooler temperatures. Protect them from strong winds, which can damage their delicate stems. In warmer climates, provide some afternoon shade to prevent scorching. Monitor for pests like aphids and treat promptly if necessary. With proper care, cornflowers will reward you with a long season of beautiful blooms.

How do I propagate Cornflower?

Cornflowers are primarily propagated by seed. Direct sow seeds in the garden in early spring or fall. Sow seeds thinly and cover lightly with soil. Keep the soil moist until germination. Alternatively, start seeds indoors and transplant seedlings outdoors after the last frost. Cornflowers can also self-sow if allowed to go to seed. While division and cuttings are possible, they are less common methods for cornflowers. Collect seeds from dried flower heads for future planting. Ensure seeds are stored in a cool, dry place.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.